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U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV

2021 Nissan Altima SR

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Vehicle Details

VIN1N4BL4CV0MN358289
TrimSR
Exterior ColorSilver
DrivetrainFWD
Engine2.5L I4
TransmissionCVT
Fuel TypeUnleaded
Inventory Typeused
Days on Lot63

SR

Fair Price
$18,48632,500 mi

Downey, CA 90241

Is this 2021 Nissan Altima SR a good deal?

OAV verdict: Fair Price

Why: Listed at $18,486, comparable market range $10,888–$22,993, based on 22 comparable listings. Days on lot: 63 days (market average 113 days).

Market price position

$18,486 · within market range

Comparable range
$10,888 – $22,993
vs. market
$7,598 above low · $4,507 below high
Comparable vehicles
22

Market Retail Price (MRP™)

$16,941

This vehicle $18,486 · $1,545 (9%) above MRP

MRP™ is the midpoint of the comparable market range — the representative price the market is asking for similar vehicles. How MRP works.

True Retail Value (TRV™)

$20,299

This vehicle $18,486 · $1,813 (9%) below TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-17) — an estimate, not an appraisal. How TRV works.

Comparable vehicles nationally recently sold in an estimated 1250 days.

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges are rebuilt from the market snapshot shown above.

Local Range$19,434 – $19,434
Regional Range$10,888 – $22,993

Downey Nissan

Downey, CA

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OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

About This 2021 Nissan Altima

Listing updated: Aug 17, 2026

Listed by a franchise dealer in Downey, CA · On lot for 63 days · VIN verifiable at NHTSA

This used 2021 Nissan Altima SR is listed at $18,486 by downey nissan in Downey, CA 90241. It has 32,500 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Silver. It features a FWD drivetrain with a 2.5L I4 engine and CVT transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Fair Price — priced at market value. Based on 22 comparable listings matched to this vehicle, the estimated market range is $10,888 to $22,993. These comparisons match year, make, and model and may currently span trims and configurations (trim-level matching is rolling out).

This vehicle has been on the lot for 63 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477).

Market context

This listing is part of OAV's broader Downey, CA sedans market analysis. OAV compares vehicles using local and regional price-to-market ranges, days-on-lot, comparable count, and demand signals where available.

How this deal is rated

OAV compares this 2021 Nissan Altima against similar vehicles currently available in the local and regional market — same make, model, and year range (currently across available trims and configurations; trim-level matching is rolling out). Mileage-aware adjustment is also rolling out — on very high-mileage vehicles OAV withholds a verdict rather than overstate a discount the odometer explains. Based on where this listing falls in that comparable set, it is rated:

  • Great Deal — priced below the typical range for comparable vehicles.
  • Fair Price — priced within the expected range for comparable vehicles.
  • Overpriced — priced above the typical range for comparable vehicles.

Listings show OAV's PTM-derived deal quality and live market context. OAV-claimed dealers manage their listing profile and route buyer inquiries directly. Paid OAV partners surface additional verification signals.

How this listing is verified

This vehicle listing was aggregated from a franchise dealer in Downey, CA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1N4BL4CV0MN358289 can be independently verified via the U.S. Department of Transportation's NHTSA VIN decoder, and safety recalls at NHTSA's recall database.

Vehicle attributes (year, make, model, trim, mileage, location) are standardized using OAV's patented methodology (U.S. Patent No. 12,236,477), which normalizes naming conventions and deduplicates cross-listed inventory across the dealership network. Listing data is processed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2021 Nissan Altima Market in CA

CA Market Listings

733

Average Price

$17,253

Price Range

$7,695–$28,995

Avg Days on Lot

113

Based on all 733 2019-2023 Nissan Altima listings in the CA market, the average asking price is $17,253. This listing at $18,486 is $1,233 above the broader CA average (7% above the CA average). This is a wider, all-trim comparison across CA; OAV's price verdict above uses the closer comparable set. Comparable prices in CA range from $7,695 to $28,995. Similar vehicles spend an average of 113 days on dealer lots in this market.

Similar Nissan Altima Listings in CA

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: SR — compare trims below)